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2022 Vol. 40, No. 11
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2022, 40(11): 1-12.
doi: 10.13205/j.hjgc.202211001
Abstract:
In the context of circular economy, energy and resource utilization have become an effective way to dispose of municipal solid waste in China. However, the wide range of sources, complex types and variable compositions of municipal solid waste affect...
In the context of circular economy, energy and resource utilization have become an effective way to dispose of municipal solid waste in China. However, the wide range of sources, complex types and variable compositions of municipal solid waste affect...
2022, 40(11): 13-18.
doi: 10.13205/j.hjgc.202211002
Abstract:
The low C/N domestic sewage was treated by a step-feed continuous flow partial denitrification-anaerobic ammonium oxidation (PD-Anammox) process coupled with denitrification, the pollutants' removal characteristics, pollutants' concentrations in diff...
The low C/N domestic sewage was treated by a step-feed continuous flow partial denitrification-anaerobic ammonium oxidation (PD-Anammox) process coupled with denitrification, the pollutants' removal characteristics, pollutants' concentrations in diff...
2022, 40(11): 19-25.
doi: 10.13205/j.hjgc.202211003
Abstract:
Quartz sand filtration is the most commonly used technology to remove particulates in water. Among them, uniform gradation filter media is widely used because of its strong dirt holding capacity and long filtration cycle. However, in the current engi...
Quartz sand filtration is the most commonly used technology to remove particulates in water. Among them, uniform gradation filter media is widely used because of its strong dirt holding capacity and long filtration cycle. However, in the current engi...
2022, 40(11): 26-31.
doi: 10.13205/j.hjgc.202211004
Abstract:
Buoy-bead flotation is a new microalgae harvesting method at present. The bead material has an important effect on harvesting efficiency. In order to achieve a high-efficiency bead material and mechanism during flotation, the study chose Chlorella vu...
Buoy-bead flotation is a new microalgae harvesting method at present. The bead material has an important effect on harvesting efficiency. In order to achieve a high-efficiency bead material and mechanism during flotation, the study chose Chlorella vu...
2022, 40(11): 32-40.
doi: 10.13205/j.hjgc.202211005
Abstract:
Enhancing the separation and recycling of magnetic particles or agglomerates in fluid by the applied magnetic field is a key problem in the open gradient magnetic separation technology. By establishing a numerical model, the effects of four arrangeme...
Enhancing the separation and recycling of magnetic particles or agglomerates in fluid by the applied magnetic field is a key problem in the open gradient magnetic separation technology. By establishing a numerical model, the effects of four arrangeme...
2022, 40(11): 41-46.
doi: 10.13205/j.hjgc.202211006
Abstract:
Global climate variation leads to frequent urban flood disasters. Extreme rainfall has the characteristics of short duration and rapid disaster, which is the major cause of urban inundation. The study on the changing trend of extreme rainfall can pro...
Global climate variation leads to frequent urban flood disasters. Extreme rainfall has the characteristics of short duration and rapid disaster, which is the major cause of urban inundation. The study on the changing trend of extreme rainfall can pro...
2022, 40(11): 47-53,68.
doi: 10.13205/j.hjgc.202211007
Abstract:
The Chahannur lake Basin was taken as the research object of this paper. By extracting the lake areas of the Chahannur during the wet season of 31 years from 1990 to 2020 using Landsat images by modified normalized difference water index (MNDWI) comb...
The Chahannur lake Basin was taken as the research object of this paper. By extracting the lake areas of the Chahannur during the wet season of 31 years from 1990 to 2020 using Landsat images by modified normalized difference water index (MNDWI) comb...
2022, 40(11): 54-60.
doi: 10.13205/j.hjgc.202211008
Abstract:
The accumulation of nitrogen and phosphorus elements in rural river sediments in China is serious, and the existing physical and chemical remediation technology has some problems, such as incomplete removal of pollutants and easy destruction of the a...
The accumulation of nitrogen and phosphorus elements in rural river sediments in China is serious, and the existing physical and chemical remediation technology has some problems, such as incomplete removal of pollutants and easy destruction of the a...
2022, 40(11): 61-68.
doi: 10.13205/j.hjgc.202211009
Abstract:
Diatomite/MnFe2O4 composite catalyst (DMF) was rationally synthesized by sol-gel method. The performance and reaction mechanism of DMF activated peroxymonosulfate (PMS) were degraded with orange Ⅱ as the target pollutant. The results showed that:1) M...
Diatomite/MnFe2O4 composite catalyst (DMF) was rationally synthesized by sol-gel method. The performance and reaction mechanism of DMF activated peroxymonosulfate (PMS) were degraded with orange Ⅱ as the target pollutant. The results showed that:1) M...
2022, 40(11): 69-77.
doi: 10.13205/j.hjgc.202211010
Abstract:
In this study, the combustion experiments of three kinds of coal at 1200℃ were implemented by using a drop-tube furnace and tubular furnace experimental devices respectively, to explore the effect of cchlorine-containing desulfurization wastewater ad...
In this study, the combustion experiments of three kinds of coal at 1200℃ were implemented by using a drop-tube furnace and tubular furnace experimental devices respectively, to explore the effect of cchlorine-containing desulfurization wastewater ad...
2022, 40(11): 78-83.
doi: 10.13205/j.hjgc.202211011
Abstract:
[TETA] [L] ionic liquid was synthesized by the acid-base neutralization reaction of triethylenetetramine and L-lactic acid, and different mass fractions of ionic liquid were loaded into coconut shell activated carbon. The effects of ionic liquid impr...
[TETA] [L] ionic liquid was synthesized by the acid-base neutralization reaction of triethylenetetramine and L-lactic acid, and different mass fractions of ionic liquid were loaded into coconut shell activated carbon. The effects of ionic liquid impr...
2022, 40(11): 84-91,142.
doi: 10.13205/j.hjgc.202211012
Abstract:
Based on computational fluid dynamics (CFD), the flow field simulation results of four schemes of a Suzhou environmental protection company's experimental downdraft fabric baghouse filter were analyzed and compared, in no deflector (scheme 1), straig...
Based on computational fluid dynamics (CFD), the flow field simulation results of four schemes of a Suzhou environmental protection company's experimental downdraft fabric baghouse filter were analyzed and compared, in no deflector (scheme 1), straig...
2022, 40(11): 92-97,158.
doi: 10.13205/j.hjgc.202211013
Abstract:
Based on the analysis of solubility of sodium thiocyanate (NaSCN) and sodium thiosulfate (Na2S2O3) under a water-ethanol system, two types of desulfurization mixed salts in the coking plant were chosen for further purification and separation through ...
Based on the analysis of solubility of sodium thiocyanate (NaSCN) and sodium thiosulfate (Na2S2O3) under a water-ethanol system, two types of desulfurization mixed salts in the coking plant were chosen for further purification and separation through ...
2022, 40(11): 98-104.
doi: 10.13205/j.hjgc.202211014
Abstract:
Goethite-modified biochar (GMB) was prepared by hydrolytic co-precipitation under different pyrolysis temperatures and raw material ratios, characterized by SEM-EDS, XRD, FTIR and XPS. Adsorption experiments of Cr(Ⅵ) for exploring the adsorption perf...
Goethite-modified biochar (GMB) was prepared by hydrolytic co-precipitation under different pyrolysis temperatures and raw material ratios, characterized by SEM-EDS, XRD, FTIR and XPS. Adsorption experiments of Cr(Ⅵ) for exploring the adsorption perf...
2022, 40(11): 105-112,119.
doi: 10.13205/j.hjgc.202211015
Abstract:
In view of high moisture content of classified kitchen waste in Beijing, and the problems with serious acidification, slow temperature rise and high leachate yield in the kitchen waste composting process, leading to lower quality of final compost and...
In view of high moisture content of classified kitchen waste in Beijing, and the problems with serious acidification, slow temperature rise and high leachate yield in the kitchen waste composting process, leading to lower quality of final compost and...
2022, 40(11): 113-119.
doi: 10.13205/j.hjgc.202211016
Abstract:
The effects of mixed combustion of municipal solid waste (MSW) with aged refuse in landfills and different air distribution schemes on combustion process flow field distribution and NOx emission in a 350 t/d furnace were studied by CFD simulation. Th...
The effects of mixed combustion of municipal solid waste (MSW) with aged refuse in landfills and different air distribution schemes on combustion process flow field distribution and NOx emission in a 350 t/d furnace were studied by CFD simulation. Th...
2022, 40(11): 120-126.
doi: 10.13205/j.hjgc.202211017
Abstract:
The study investigated the effects of organic loading rate (OLR), stirring rate and material retention time on methane production in semi-continuous dry anaerobic fermentation, and used a structural equation model to discuss the dynamics of the regul...
The study investigated the effects of organic loading rate (OLR), stirring rate and material retention time on methane production in semi-continuous dry anaerobic fermentation, and used a structural equation model to discuss the dynamics of the regul...
2022, 40(11): 127-133,151.
doi: 10.13205/j.hjgc.202211018
Abstract:
Laboratory-based incubation experiments were carried out to study the effectiveness of readily available materials on the deactivation of sediment arsenic (As) using micro-electrode technology and micro-interface analysis technology (e.g. HR-Peeper)....
Laboratory-based incubation experiments were carried out to study the effectiveness of readily available materials on the deactivation of sediment arsenic (As) using micro-electrode technology and micro-interface analysis technology (e.g. HR-Peeper)....
2022, 40(11): 134-142.
doi: 10.13205/j.hjgc.202211019
Abstract:
Metal pollution in soils is an issue of global concern, and lead (Pb) pollution is considered to be the most serious type. In this study, five native crops[wormwood (Artemisia capillaris), dandelion (Taraxacum mongolicum), alfalfa (Medicago sativa), ...
Metal pollution in soils is an issue of global concern, and lead (Pb) pollution is considered to be the most serious type. In this study, five native crops[wormwood (Artemisia capillaris), dandelion (Taraxacum mongolicum), alfalfa (Medicago sativa), ...
2022, 40(11): 143-151.
doi: 10.13205/j.hjgc.202211020
Abstract:
As the only legal method for the determination of hexavalent chromium[Cr(Ⅵ)] in soils and sediments, alkaline digestion/flame atomic absorption spectrometry (specified in China's national standard, HJ 1082-2019) was implemented in China in June 2020....
As the only legal method for the determination of hexavalent chromium[Cr(Ⅵ)] in soils and sediments, alkaline digestion/flame atomic absorption spectrometry (specified in China's national standard, HJ 1082-2019) was implemented in China in June 2020....
2022, 40(11): 152-158.
doi: 10.13205/j.hjgc.202211021
Abstract:
The remediation process of heavy metal contaminated soil in tailings ponds is complicated and slow. To reduce the remediation cycle and accelerate the development of intelligence and refinement of soil remediation technology, the mechanism and law of...
The remediation process of heavy metal contaminated soil in tailings ponds is complicated and slow. To reduce the remediation cycle and accelerate the development of intelligence and refinement of soil remediation technology, the mechanism and law of...
2022, 40(11): 159-164.
doi: 10.13205/j.hjgc.202211022
Abstract:
Aiming at the difficult problems of determining the target value of groundwater risk management and control, this article took an abandoned ferroalloy plant as the research object, and discussed the environmental impact of hexavalent chromium polluti...
Aiming at the difficult problems of determining the target value of groundwater risk management and control, this article took an abandoned ferroalloy plant as the research object, and discussed the environmental impact of hexavalent chromium polluti...
2022, 40(11): 165-170,181.
doi: 10.13205/j.hjgc.202211023
Abstract:
Given the shortage of freshwater resources and conventional energy resources in remote islands, it is practical to research and develop a solar desalination device for islands. In this paper, a new seawater desalination device was developed through a...
Given the shortage of freshwater resources and conventional energy resources in remote islands, it is practical to research and develop a solar desalination device for islands. In this paper, a new seawater desalination device was developed through a...
2022, 40(11): 171-176.
doi: 10.13205/j.hjgc.202211024
Abstract:
The denitrification technology using ozone oxidation combined with wet absorption can be used in the purification of flue gas with relatively low temperature (<150℃) and NOx concentration (<400 mg/m3), such as the flue gas from steel sintering,...
The denitrification technology using ozone oxidation combined with wet absorption can be used in the purification of flue gas with relatively low temperature (<150℃) and NOx concentration (<400 mg/m3), such as the flue gas from steel sintering,...
2022, 40(11): 177-181.
doi: 10.13205/j.hjgc.202211025
Abstract:
Jiangsu promulgated a new regional standard, "Emission Limits for Major Water Pollutants from Urban Sewage Treatment Plants and Key Industrial Industries in the Taihu Basin" (DB32/1072-2018) in June 2018. Urban sewage treatment plants in the Taihu Ba...
Jiangsu promulgated a new regional standard, "Emission Limits for Major Water Pollutants from Urban Sewage Treatment Plants and Key Industrial Industries in the Taihu Basin" (DB32/1072-2018) in June 2018. Urban sewage treatment plants in the Taihu Ba...
2022, 40(11): 182-188,198.
doi: 10.13205/j.hjgc.202211026
Abstract:
After leaching calcium from fly ash of municipal solid waste incineration with ammonium chloride solution, the carbonization method was used to recover calcium carbonate from the leaching solution. The optimal conditions for leaching calcium ion afte...
After leaching calcium from fly ash of municipal solid waste incineration with ammonium chloride solution, the carbonization method was used to recover calcium carbonate from the leaching solution. The optimal conditions for leaching calcium ion afte...
2022, 40(11): 189-198.
doi: 10.13205/j.hjgc.202211027
Abstract:
With an abandoned land area after an explosion accident in an organic chemical plant as the research subject, the soils at different depths were evaluated using the single-factor pollution index, and comprehensive pollution index, as well as the risk...
With an abandoned land area after an explosion accident in an organic chemical plant as the research subject, the soils at different depths were evaluated using the single-factor pollution index, and comprehensive pollution index, as well as the risk...
2022, 40(11): 199-210.
doi: 10.13205/j.hjgc.202211028
Abstract:
The process flow simulation of imidazolium-based ionic liquids (ILs) used for natural gas (NG) dehydration was established by Aspen Plus. Technological and environmental impacts of different ILs in the NG dehydration process were compared by using th...
The process flow simulation of imidazolium-based ionic liquids (ILs) used for natural gas (NG) dehydration was established by Aspen Plus. Technological and environmental impacts of different ILs in the NG dehydration process were compared by using th...
2022, 40(11): 211-221.
doi: 10.13205/j.hjgc.202211029
Abstract:
Composting is an important way of resource utilization of organic solid waste. The development and application of composting are limited by the odor produced in the composting process. To understand the research trend and focus in the field of compos...
Composting is an important way of resource utilization of organic solid waste. The development and application of composting are limited by the odor produced in the composting process. To understand the research trend and focus in the field of compos...
2022, 40(11): 222-230.
doi: 10.13205/j.hjgc.202211030
Abstract:
The reduction of CO2 into high-energy chemicals by electrical energy to achieve carbon reduction has received global attention, and the advent of the Big Data era provided a new research platform. This paper investigated and summarized 4089 papers on...
The reduction of CO2 into high-energy chemicals by electrical energy to achieve carbon reduction has received global attention, and the advent of the Big Data era provided a new research platform. This paper investigated and summarized 4089 papers on...
2022, 40(11): 231-236,250.
doi: 10.13205/j.hjgc.202211031
Abstract:
The Chinese baijiu industry is facing a challenge in recycling the distiller's grain, which is featured by large yield, rich organic matters, short-lived storage, and high cost of treatment. This study reviewed new research progress on technologies o...
The Chinese baijiu industry is facing a challenge in recycling the distiller's grain, which is featured by large yield, rich organic matters, short-lived storage, and high cost of treatment. This study reviewed new research progress on technologies o...
2022, 40(11): 237-250.
doi: 10.13205/j.hjgc.202211032
Abstract:
Volatile organic compounds (VOCs) in the atmosphere are harmful to the ecological environment and human health, and need urgent treatment. The adsorption method has become one of the most economical and effective methods for VOCs removal, due to its ...
Volatile organic compounds (VOCs) in the atmosphere are harmful to the ecological environment and human health, and need urgent treatment. The adsorption method has become one of the most economical and effective methods for VOCs removal, due to its ...
2022, 40(11): 251-259.
doi: 10.13205/j.hjgc.202211033
Abstract:
Biofouling is a critical challenge in the membrane-based water treatment process. Biofilm formation is regulated by bacterial quorum sensing. Inhibition of quorum sensing is an emerging technology for membrane biofouling control. Mechanism of quorum ...
Biofouling is a critical challenge in the membrane-based water treatment process. Biofilm formation is regulated by bacterial quorum sensing. Inhibition of quorum sensing is an emerging technology for membrane biofouling control. Mechanism of quorum ...
